ConvertToDecimal Example Syntax C-Sharp ASP.NET | C# ConvertToDecimal | Source Code

Posted by on Tuesday, May 17, 2011 · Leave a Comment 

ConvertToDecimal Example Syntax C-Sharp ASP.NET | C# ConvertToDecimal | Source Code

Summary: – Illustrates using with in C-Sharp ASP.NET.


View Other C-Sharp ASP.NET Type Conversion Function Examples


Purpose:
Converts positive and negative numbers into decimal data type

Syntax:
Convert.ToDecimal(expression)

Parameters Description
expression +/-79,228,162,514,264,337,593,543,950,335 for zero-scaled numbers, i.e.,
numbers with no decimal places. For numbers with 28 decimal places,
the range is +/-7.9228162514264337593543950335. The smallest possible non-zero
number is 0.0000000000000000000000000001 (+/-1E-28).

Result Data Type Description
decimal returns decimal

Quick Example
Dim Decimal1 As Decimal = Convert.ToDecimal(1.33)
TextBox1.Text = Decimal1 Returns 1.33

Step 1: Click on cs to Cut-n-paste code into ConvertToDecimal.aspx.cs

using System;
using System.IO;
using System.Data;
 
//****************************************************************************************
// Purpose: Converts positive and negative numbers into decimal data type
//
// Syntax: 	Convert.ToDecimal(expression)
//
// Parameter1: expression - +/-79,228,162,514,264,337,593,543,950,335 for zero-scaled numbers, i.e., 
// numbers with no decimal places. For numbers with 28 decimal places,
// the range is +/-7.9228162514264337593543950335. The smallest possible non-zero 
// number is 0.0000000000000000000000000001 (+/-1E-28).
//
// Result: decimal - returns decimal
//
// Quick Example:   Dim Decimal1 As Decimal = Convert.ToDecimal(1.33)
//       TextBox1.Text = Decimal1 // Returns 1.33
//
//
//****************************************************************************************
// This example is from http://idealprogrammer.com
// It shows how you can use CDec syntax in C-Sharp ASP.NET
 
 
partial class _ConvertToDecimal : System.Web.UI.Page
{
 
    protected void Page_Load(object sender, System.EventArgs e)
    {
 
        Label1.Text = "Example #1: 	Convert.ToDecimal(1.33) ";
 
        decimal Decimal1 = Convert.ToDecimal(1.33);
 
        TextBox1.Text = Decimal1.ToString(); // Returns 1.33
 
        Label2.Text = "Example #2: 	Convert.ToDecimal(-3.4) ";
 
        decimal Decimal2 = Convert.ToDecimal(-3.4);
 
        TextBox2.Text = Decimal2.ToString(); // Returns -3.4
 
        Label3.Text = "Example #3: 	Convert.ToDecimal(5)";
 
        decimal Decimal3 = Convert.ToDecimal(5);
 
        TextBox3.Text = Decimal3.ToString(); // Returns 5
 
 
    }
 
 
}

Step 2: Click on XML to Cut-n-paste code into ConvertToDecimal.aspx

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="ConvertToDecimal.aspx.cs" Inherits="_ConvertToDecimal" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox1" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label2" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox2" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label3" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox3" runat="server"></asp:textbox><br />
 
 
 
    </div>
    </form>
</body>
</html>

Prerequistes:

  1. Install Visual Web Developer 2010
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

C-Sharp ASP.NET Syntax Functions ConversionFunctions ConvertToDecimal
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select C-Sharp for Language
    • name of Web Site could be CSharp_ASPNET_Syntax.
  3. Add New folder named “Functions”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: Functions
  4. Add New subfolder named “ConversionFunctions”
    • Right-click Functions folder in solution explorer;
    • add new folder;
    • name of folder could be: ConversionFunctions
  5. Add New subfolder named “TypeConversionFunctions”
    • Right-click Functions folder in solution explorer;
    • add new folder;
    • name of folder could be: TypeConversionFunctions
  6. Add Web Form Named ConvertToDecimal to TypeConversionFunctions folder
    • Right-click TypeConversionFunctions folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be ConvertToDecimal
  7. Click on cs in step 1 at the top of this page to copy code into code-behind ConvertToDecimal.aspx.cs
  8. Click on XML in step 2 above to copy code into web form ConvertToDecimal.aspx
  9. Right-click on ConvertToDecimal.aspx in solution explorer and select view in browser

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